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Medical memo: Nutrition and fertility

You are what you eat.

Published: September, 2010

It's an oversimplification, but it has more than a germ of truth.
In fact, a man's diet has a substantial effect on his risk of
many important diseases including heart attack, stroke,
hypertension, diabetes, various malignancies, and of course,
obesity. But does a man's diet also influence his fertility?
According to research from Spain, the answer may be yes.

To evaluate the effect of diet on fertility, scientists studied
the male partners of couples who attended fertility clinics. Men
with known genetic, anatomical, or hormonal abnormalities that
affect fertility were excluded from the study. Each volunteer
submitted at least two semen specimens for analysis, and each
provided information on his consumption of 96 food items during
the preceding year. Researchers also measured levels of
reproductive hormones and collected information about other
factors that might affect sperm quality, including smoking, body
weight, alcohol use, and exposure to pollutants.

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Daily Health Tip

Enjoy extra-virgin olive oil

Diets that feature extra-virgin olive oil help prevent heart attacks, strokes, atrial fibrillation, and death from heart disease. Use olive oil instead of butter when sautéing vegetables or scrambling eggs. Use extra-virgin olive oil to make a dipping sauce for whole-grain bread.